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Copy pathLuaSyntaxGeneratorFactory.cs
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318 lines (272 loc) · 12.6 KB
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// #define USE_MSBUILD
#nullable enable
using Cake.Incubator.Project;
using ICSharpCode.Decompiler;
using ICSharpCode.Decompiler.CSharp;
using ICSharpCode.Decompiler.CSharp.OutputVisitor;
using ICSharpCode.Decompiler.CSharp.Syntax;
using ICSharpCode.Decompiler.Metadata;
using ICSharpCode.Decompiler.TypeSystem;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection.Metadata;
using System.Reflection.PortableExecutable;
using System.Text.RegularExpressions;
#if USE_MSBUILD
using Microsoft.Build.Definition;
using Microsoft.Build.Evaluation;
using Microsoft.Build.Evaluation.Context;
#endif
namespace CSharpLua {
internal static class LuaSyntaxGeneratorFactory {
private const string configurationDebug = "Debug";
private const string configurationRelease = "Release";
private const string kDllSuffix = ".dll";
private const char kLuaModuleSuffix = '!';
internal static LuaSyntaxGenerator CreateGenerator(CompilerSettings? settings, LuaSyntaxGenerator.SettingInfo settingInfo) {
return settings is null
? CreateGeneratorForFile(settingInfo)
: settings.isProject_
? CreateGeneratorForProject(settings, settingInfo)
: CreateGeneratorForFolder(settings, settingInfo);
}
internal static LuaSyntaxGenerator CreateGeneratorForFile(LuaSyntaxGenerator.SettingInfo settingInfo) {
throw new NotImplementedException();
}
internal static LuaSyntaxGenerator CreateGeneratorForFolder(CompilerSettings settings, LuaSyntaxGenerator.SettingInfo settingInfo) {
var folderPath = settings.input_;
var files = GetFolderSourceFiles(folderPath);
var packageBaseFolders = new List<string>();
var codes = files.Select(i => (File.ReadAllText(i), i));
var libs = GetLibs(settings.libs_, out var luaModuleLibs);
settingInfo.LuaModuleLibs = luaModuleLibs.ToHashSet();
if (Directory.Exists(folderPath)) {
settingInfo.AddBaseFolder(folderPath, false);
} else if (files.Count() == 1) {
settingInfo.AddBaseFolder(new FileInfo(files.Single()).DirectoryName, true);
} else {
// throw new NotImplementedException("Unable to determine basefolder(s) when the input is a list of source files.");
}
return new LuaSyntaxGenerator(codes, libs, settings.cscArguments_, settings.metas_, settingInfo);
}
internal static LuaSyntaxGenerator CreateGeneratorForProject(CompilerSettings settings, LuaSyntaxGenerator.SettingInfo settingInfo) {
var projectPath = settings.input_;
var configuration = IsCompileDebug(settings.cscArguments_) ? configurationDebug : configurationRelease;
#if USE_MSBUILD
MSBuildHelper.SetMsBuildExePath();
using var projectCollection = new ProjectCollection();
var projectOptions = new ProjectOptions {
EvaluationContext = EvaluationContext.Create(EvaluationContext.SharingPolicy.Shared),
GlobalProperties = new Dictionary<string, string> { { "Configuration", configuration } },
LoadSettings = ProjectLoadSettings.Default,
ProjectCollection = projectCollection,
};
var mainProject = Project.FromFile(projectPath, projectOptions);
var projects = MSBuildHelper.FindProjects(mainProject, projectOptions).ToList();
var packages = MSBuildHelper.FindPackages(mainProject.GetPropertyValue("TargetFramework"), projects).ToList();
var files = MSBuildHelper.GetCompileFiles(projects);
#else
var mainProject = ProjectHelper.ParseProject(projectPath, configuration);
var projects = mainProject?.EnumerateProjects().ToArray();
var packages = PackageHelper.EnumeratePackages(mainProject.TargetFrameworkVersions.First(), projects.Select(project => project.project));
var files = GetProjectsSourceFiles(projects);
#endif
var packageBaseFolders = new List<string>();
if (packages != null) {
var searchDirectories = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
foreach (var package in packages) {
if (IsDecompile(package, settings)) {
PackageHelper.EnumerateLibs(package, out var baseFolder);
if (string.IsNullOrWhiteSpace(baseFolder)) {
continue;
}
searchDirectories.Add(baseFolder);
}
}
foreach (var package in packages) {
var packageFiles = PackageHelper.EnumerateSourceFiles(package, out var baseFolder).ToArray();
if (packageFiles.Length > 0) {
files = files.Concat(packageFiles);
packageBaseFolders.Add(baseFolder);
}
if (IsDecompile(package, settings)) {
var packageLibs = PackageHelper.EnumerateLibs(package, out baseFolder).ToArray();
if (packageLibs.Length > 0) {
var folderInfo = new DirectoryInfo(baseFolder);
while (!string.Equals(folderInfo.Name, "packages", StringComparison.OrdinalIgnoreCase)) {
folderInfo = folderInfo.Parent;
}
baseFolder = Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
"CSharpLua",
"packages",
baseFolder[(folderInfo.FullName.Length + 1)..]);
Directory.CreateDirectory(baseFolder);
var decompiledLibFiles = packageLibs.Select(lib =>
{
var libFileInfo = new FileInfo(lib);
var packageFileNameWithoutExtension = Path.GetFileNameWithoutExtension(libFileInfo.Name);
var fileName = Path.Combine(baseFolder, packageFileNameWithoutExtension + ".cs");
if (!File.Exists(fileName)) {
var decompilerSettings = new DecompilerSettings {
LoadInMemory = true,
ThrowOnAssemblyResolveErrors = true,
};
var metadataOptions = decompilerSettings.ApplyWindowsRuntimeProjections
? MetadataReaderOptions.ApplyWindowsRuntimeProjections
: MetadataReaderOptions.None;
var peFile = new PEFile(
lib,
File.OpenRead(lib),
PEStreamOptions.PrefetchEntireImage,
metadataOptions);
var assemblyResolver = new UniversalAssemblyResolver(
lib,
decompilerSettings.ThrowOnAssemblyResolveErrors,
peFile.DetectTargetFrameworkId(),
streamOptions: decompilerSettings.LoadInMemory ? PEStreamOptions.PrefetchMetadata : PEStreamOptions.Default,
metadataOptions: metadataOptions);
foreach (var searchDirectory in searchDirectories) {
assemblyResolver.AddSearchDirectory(searchDirectory);
}
var decompilerTypeSystem = new DecompilerTypeSystem(peFile, assemblyResolver, decompilerSettings);
var decompiler = new CSharpDecompiler(decompilerTypeSystem, decompilerSettings);
var syntaxTree = decompiler.DecompileWholeModuleAsSingleFile();
foreach (var child in syntaxTree.Children) {
if (child is AttributeSection attributeSection && attributeSection.AttributeTarget == "assembly") {
child.Remove();
}
}
using var fileWriter = File.CreateText(fileName);
syntaxTree.AcceptVisitor(new CSharpOutputVisitor(fileWriter, decompilerSettings.CSharpFormattingOptions));
}
return fileName;
});
files = files.Concat(decompiledLibFiles.ToArray());
packageBaseFolders.Add(baseFolder);
}
}
}
}
var codes = files.Select(i => (File.ReadAllText(i), i));
var metas = settings.metas_.Concat(packages.Where(package => !IsDecompile(package, settings)).SelectMany(package => PackageHelper.EnumerateMetas(package)));
var libs = GetLibs(settings.libs_.Concat(packages.Where(package => !IsDecompile(package, settings)).SelectMany(package => PackageHelper.EnumerateLibs(package))), out var luaModuleLibs);
settingInfo.LuaModuleLibs = luaModuleLibs.ToHashSet();
#if USE_MSBUILD
foreach (var project in projects) {
settingInfo.AddBaseFolder(project.DirectoryPath, false);
}
#else
foreach (var folder in projects.Select(p => p.folder)) {
settingInfo.AddBaseFolder(folder, false);
}
#endif
foreach (var folder in packageBaseFolders) {
settingInfo.AddBaseFolder(folder, false);
}
var fileBannerLines = new List<string>();
if (packages != null && packages.Any()) {
fileBannerLines.Add("Compiled with the following packages:");
fileBannerLines.AddRange(packages
.Select(package => $" {package.PackageName}: v{package.VersionNormalizedString}{(IsDecompile(package, settings) ? " (decompiled)" : string.Empty)}")
.OrderBy(s => s, StringComparer.Ordinal));
}
return new LuaSyntaxGenerator(codes, libs, settings.cscArguments_, metas, settingInfo, fileBannerLines);
}
private static IEnumerable<string> GetFolderSourceFiles(string folder) {
if (Directory.Exists(folder)) {
return Directory.EnumerateFiles(folder, "*.cs", SearchOption.AllDirectories);
}
return Utility.Split(folder);
}
private static IEnumerable<string> GetProjectsSourceFiles(IEnumerable<(string folder, CustomProjectParserResult project)> projects) {
return projects.SelectMany(project => project.project.EnumerateSourceFiles(project.folder));
}
private static IEnumerable<string> GetProjectSourceFiles(string folder, CustomProjectParserResult project) {
return project.EnumerateSourceFiles(folder);
}
private static List<string> GetLibs(IEnumerable<string> additionalLibs, out List<string> luaModuleLibs) {
luaModuleLibs = new List<string>();
var libs = Compiler.GetSystemLibs();
var dlls = new HashSet<string>(libs.Select(lib => new FileInfo(lib).Name));
if (additionalLibs != null) {
foreach (string additionalLib in additionalLibs) {
string lib = additionalLib;
bool isLuaModule = false;
if (lib.Last() == kLuaModuleSuffix) {
lib = lib.TrimEnd(kLuaModuleSuffix);
isLuaModule = true;
} else {
var dllName = new FileInfo(lib).Name;
if (dlls.Contains(dllName)) {
// Avoid duplicate dlls.
continue;
} else {
dlls.Add(dllName);
}
}
string path = lib.EndsWith(kDllSuffix) ? lib : lib + kDllSuffix;
if (File.Exists(path)) {
if (isLuaModule) {
luaModuleLibs.Add(Path.GetFileNameWithoutExtension(path));
}
libs.Add(path);
} else {
throw new CmdArgumentException($"-l {path} is not found");
}
}
}
return libs;
}
private static bool IsCompileDebug(string[] cscArguments) {
foreach (var arg in cscArguments) {
if (arg.StartsWith("-debug")) {
return true;
}
}
return false;
}
private static bool IsDecompile(PackageReferenceModel package, CompilerSettings settings) {
if (!package.IsDecompile.HasValue) {
package.IsDecompile = CalculateIsDecompile(package, settings);
}
return package.IsDecompile.Value;
}
private static bool CalculateIsDecompile(PackageReferenceModel package, CompilerSettings settings) {
if (settings.packageIncl_ is null && settings.packageExcl_ is null) {
return false;
}
if (settings.packageIncl_ is null) {
return !settings.packageExcl_.Any(regex => regex.IsMatch(package.PackageName));
}
if (settings.packageExcl_ is null) {
return settings.packageIncl_.Any(regex => regex.IsMatch(package.PackageName));
}
var bestlen = -1;
foreach (var regex in settings.packageIncl_) {
var match = regex.Match(package.PackageName);
if (match.Success) {
var len = Regex.Unescape(regex.ToString()).Length;
if (bestlen <= len) {
bestlen = len;
}
}
}
if (bestlen == -1) {
return false;
}
foreach (var regex in settings.packageExcl_) {
var match = regex.Match(package.PackageName);
if (match.Success) {
var len = Regex.Unescape(regex.ToString()).Length;
if (bestlen <= len) {
return false;
}
}
}
return true;
}
}
}
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